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<h1 id="sec_name">
<span data-if="hdevelop" style="display:inline;">line_position</span><span data-if="c" style="display:none;">line_position</span><span data-if="cpp" style="display:none;">LinePosition</span><span data-if="dotnet" style="display:none;">LinePosition</span><span data-if="python" style="display:none;">line_position</span> (算子名称)</h1>
<h2>名称</h2>
<p><code><span data-if="hdevelop" style="display:inline;">line_position</span><span data-if="c" style="display:none;">line_position</span><span data-if="cpp" style="display:none;">LinePosition</span><span data-if="dotnet" style="display:none;">LinePosition</span><span data-if="python" style="display:none;">line_position</span></code> — Calculate the center of gravity, length, and orientation of a line.</p>
<h2 id="sec_synopsis">参数签名</h2>
<div data-if="hdevelop" style="display:inline;">
<p>
<code><b>line_position</b>( :  : <a href="#RowBegin"><i>RowBegin</i></a>, <a href="#ColBegin"><i>ColBegin</i></a>, <a href="#RowEnd"><i>RowEnd</i></a>, <a href="#ColEnd"><i>ColEnd</i></a> : <a href="#RowCenter"><i>RowCenter</i></a>, <a href="#ColCenter"><i>ColCenter</i></a>, <a href="#Length"><i>Length</i></a>, <a href="#Phi"><i>Phi</i></a>)</code></p>
</div>
<div data-if="c" style="display:none;">
<p>
<code>Herror <b>line_position</b>(double <a href="#RowBegin"><i>RowBegin</i></a>, double <a href="#ColBegin"><i>ColBegin</i></a>, double <a href="#RowEnd"><i>RowEnd</i></a>, double <a href="#ColEnd"><i>ColEnd</i></a>, double* <a href="#RowCenter"><i>RowCenter</i></a>, double* <a href="#ColCenter"><i>ColCenter</i></a>, double* <a href="#Length"><i>Length</i></a>, double* <a href="#Phi"><i>Phi</i></a>)</code></p>
<p>
<code>Herror <b>T_line_position</b>(const Htuple <a href="#RowBegin"><i>RowBegin</i></a>, const Htuple <a href="#ColBegin"><i>ColBegin</i></a>, const Htuple <a href="#RowEnd"><i>RowEnd</i></a>, const Htuple <a href="#ColEnd"><i>ColEnd</i></a>, Htuple* <a href="#RowCenter"><i>RowCenter</i></a>, Htuple* <a href="#ColCenter"><i>ColCenter</i></a>, Htuple* <a href="#Length"><i>Length</i></a>, Htuple* <a href="#Phi"><i>Phi</i></a>)</code></p>
</div>
<div data-if="cpp" style="display:none;">
<p>
<code>void <b>LinePosition</b>(const HTuple&amp; <a href="#RowBegin"><i>RowBegin</i></a>, const HTuple&amp; <a href="#ColBegin"><i>ColBegin</i></a>, const HTuple&amp; <a href="#RowEnd"><i>RowEnd</i></a>, const HTuple&amp; <a href="#ColEnd"><i>ColEnd</i></a>, HTuple* <a href="#RowCenter"><i>RowCenter</i></a>, HTuple* <a href="#ColCenter"><i>ColCenter</i></a>, HTuple* <a href="#Length"><i>Length</i></a>, HTuple* <a href="#Phi"><i>Phi</i></a>)</code></p>
<p>
<code>static void <a href="HMisc.html">HMisc</a>::<b>LinePosition</b>(const HTuple&amp; <a href="#RowBegin"><i>RowBegin</i></a>, const HTuple&amp; <a href="#ColBegin"><i>ColBegin</i></a>, const HTuple&amp; <a href="#RowEnd"><i>RowEnd</i></a>, const HTuple&amp; <a href="#ColEnd"><i>ColEnd</i></a>, HTuple* <a href="#RowCenter"><i>RowCenter</i></a>, HTuple* <a href="#ColCenter"><i>ColCenter</i></a>, HTuple* <a href="#Length"><i>Length</i></a>, HTuple* <a href="#Phi"><i>Phi</i></a>)</code></p>
<p>
<code>static void <a href="HMisc.html">HMisc</a>::<b>LinePosition</b>(double <a href="#RowBegin"><i>RowBegin</i></a>, double <a href="#ColBegin"><i>ColBegin</i></a>, double <a href="#RowEnd"><i>RowEnd</i></a>, double <a href="#ColEnd"><i>ColEnd</i></a>, double* <a href="#RowCenter"><i>RowCenter</i></a>, double* <a href="#ColCenter"><i>ColCenter</i></a>, double* <a href="#Length"><i>Length</i></a>, double* <a href="#Phi"><i>Phi</i></a>)</code></p>
</div>
<div data-if="com" style="display:none;"></div>
<div data-if="dotnet" style="display:none;">
<p>
<code>static void <a href="HOperatorSet.html">HOperatorSet</a>.<b>LinePosition</b>(<a href="HTuple.html">HTuple</a> <a href="#RowBegin"><i>rowBegin</i></a>, <a href="HTuple.html">HTuple</a> <a href="#ColBegin"><i>colBegin</i></a>, <a href="HTuple.html">HTuple</a> <a href="#RowEnd"><i>rowEnd</i></a>, <a href="HTuple.html">HTuple</a> <a href="#ColEnd"><i>colEnd</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#RowCenter"><i>rowCenter</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#ColCenter"><i>colCenter</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#Length"><i>length</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#Phi"><i>phi</i></a>)</code></p>
<p>
<code>static void <a href="HMisc.html">HMisc</a>.<b>LinePosition</b>(<a href="HTuple.html">HTuple</a> <a href="#RowBegin"><i>rowBegin</i></a>, <a href="HTuple.html">HTuple</a> <a href="#ColBegin"><i>colBegin</i></a>, <a href="HTuple.html">HTuple</a> <a href="#RowEnd"><i>rowEnd</i></a>, <a href="HTuple.html">HTuple</a> <a href="#ColEnd"><i>colEnd</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#RowCenter"><i>rowCenter</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#ColCenter"><i>colCenter</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#Length"><i>length</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#Phi"><i>phi</i></a>)</code></p>
<p>
<code>static void <a href="HMisc.html">HMisc</a>.<b>LinePosition</b>(double <a href="#RowBegin"><i>rowBegin</i></a>, double <a href="#ColBegin"><i>colBegin</i></a>, double <a href="#RowEnd"><i>rowEnd</i></a>, double <a href="#ColEnd"><i>colEnd</i></a>, out double <a href="#RowCenter"><i>rowCenter</i></a>, out double <a href="#ColCenter"><i>colCenter</i></a>, out double <a href="#Length"><i>length</i></a>, out double <a href="#Phi"><i>phi</i></a>)</code></p>
</div>
<div data-if="python" style="display:none;">
<p>
<code>def <b>line_position</b>(<a href="#RowBegin"><i>row_begin</i></a>: MaybeSequence[Union[int, float]], <a href="#ColBegin"><i>col_begin</i></a>: MaybeSequence[Union[int, float]], <a href="#RowEnd"><i>row_end</i></a>: MaybeSequence[Union[int, float]], <a href="#ColEnd"><i>col_end</i></a>: MaybeSequence[Union[int, float]]) -&gt; Tuple[Sequence[float], Sequence[float], Sequence[float], Sequence[float]]</code></p>
<p>
<code>def <b>line_position_s</b>(<a href="#RowBegin"><i>row_begin</i></a>: MaybeSequence[Union[int, float]], <a href="#ColBegin"><i>col_begin</i></a>: MaybeSequence[Union[int, float]], <a href="#RowEnd"><i>row_end</i></a>: MaybeSequence[Union[int, float]], <a href="#ColEnd"><i>col_end</i></a>: MaybeSequence[Union[int, float]]) -&gt; Tuple[float, float, float, float]</code></p>
</div>
<h2 id="sec_description">描述</h2>
<p>该算子 <code><span data-if="hdevelop" style="display:inline">line_position</span><span data-if="c" style="display:none">line_position</span><span data-if="cpp" style="display:none">LinePosition</span><span data-if="com" style="display:none">LinePosition</span><span data-if="dotnet" style="display:none">LinePosition</span><span data-if="python" style="display:none">line_position</span></code> returns the center
(<a href="#RowCenter"><i><code><span data-if="hdevelop" style="display:inline">RowCenter</span><span data-if="c" style="display:none">RowCenter</span><span data-if="cpp" style="display:none">RowCenter</span><span data-if="com" style="display:none">RowCenter</span><span data-if="dotnet" style="display:none">rowCenter</span><span data-if="python" style="display:none">row_center</span></code></i></a>, <a href="#ColCenter"><i><code><span data-if="hdevelop" style="display:inline">ColCenter</span><span data-if="c" style="display:none">ColCenter</span><span data-if="cpp" style="display:none">ColCenter</span><span data-if="com" style="display:none">ColCenter</span><span data-if="dotnet" style="display:none">colCenter</span><span data-if="python" style="display:none">col_center</span></code></i></a>), the (Euclidean) length
(<a href="#Length"><i><code><span data-if="hdevelop" style="display:inline">Length</span><span data-if="c" style="display:none">Length</span><span data-if="cpp" style="display:none">Length</span><span data-if="com" style="display:none">Length</span><span data-if="dotnet" style="display:none">length</span><span data-if="python" style="display:none">length</span></code></i></a>) and the orientation (-pi/2 &lt; <a href="#Phi"><i><code><span data-if="hdevelop" style="display:inline">Phi</span><span data-if="c" style="display:none">Phi</span><span data-if="cpp" style="display:none">Phi</span><span data-if="com" style="display:none">Phi</span><span data-if="dotnet" style="display:none">phi</span><span data-if="python" style="display:none">phi</span></code></i></a> &lt;=
pi/2)
of the given lines.  If more than one line is to be treated the line
and column indices can be passed as tuples.  In this case the output
parameters, of course, are also tuples.
</p>
<p>The routine is applied, for example, to model lines in order to
determine search regions for the edge detection
(<a href="detect_edge_segments.html"><code><span data-if="hdevelop" style="display:inline">detect_edge_segments</span><span data-if="c" style="display:none">detect_edge_segments</span><span data-if="cpp" style="display:none">DetectEdgeSegments</span><span data-if="com" style="display:none">DetectEdgeSegments</span><span data-if="dotnet" style="display:none">DetectEdgeSegments</span><span data-if="python" style="display:none">detect_edge_segments</span></code></a>).</p>
<h2 id="sec_execution">运行信息</h2>
<ul>
  <li>多线程类型:可重入(与非独占操作符并行运行)。</li>
<li>多线程作用域:全局(可以从任何线程调用)。</li>
  <li>未经并行化处理。</li>
</ul>
<h2 id="sec_parameters">参数表</h2>
  <div class="par">
<div class="parhead">
<span id="RowBegin" class="parname"><b><code><span data-if="hdevelop" style="display:inline">RowBegin</span><span data-if="c" style="display:none">RowBegin</span><span data-if="cpp" style="display:none">RowBegin</span><span data-if="com" style="display:none">RowBegin</span><span data-if="dotnet" style="display:none">rowBegin</span><span data-if="python" style="display:none">row_begin</span></code></b> (input_control)  </span><span>line.begin.y(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">MaybeSequence[Union[int, float]]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real / </span><span data-if="hdevelop" style="display:inline">integer)</span><span data-if="dotnet" style="display:none"> (<i>double</i> / </span><span data-if="dotnet" style="display:none">int / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>double</i> / </span><span data-if="cpp" style="display:none">Hlong)</span><span data-if="c" style="display:none"> (<i>double</i> / </span><span data-if="c" style="display:none">Hlong)</span></span>
</div>
<p class="pardesc">Row coordinates of the starting points of the
input lines.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="ColBegin" class="parname"><b><code><span data-if="hdevelop" style="display:inline">ColBegin</span><span data-if="c" style="display:none">ColBegin</span><span data-if="cpp" style="display:none">ColBegin</span><span data-if="com" style="display:none">ColBegin</span><span data-if="dotnet" style="display:none">colBegin</span><span data-if="python" style="display:none">col_begin</span></code></b> (input_control)  </span><span>line.begin.x(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">MaybeSequence[Union[int, float]]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real / </span><span data-if="hdevelop" style="display:inline">integer)</span><span data-if="dotnet" style="display:none"> (<i>double</i> / </span><span data-if="dotnet" style="display:none">int / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>double</i> / </span><span data-if="cpp" style="display:none">Hlong)</span><span data-if="c" style="display:none"> (<i>double</i> / </span><span data-if="c" style="display:none">Hlong)</span></span>
</div>
<p class="pardesc">Column coordinates of the starting points of the
input lines.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="RowEnd" class="parname"><b><code><span data-if="hdevelop" style="display:inline">RowEnd</span><span data-if="c" style="display:none">RowEnd</span><span data-if="cpp" style="display:none">RowEnd</span><span data-if="com" style="display:none">RowEnd</span><span data-if="dotnet" style="display:none">rowEnd</span><span data-if="python" style="display:none">row_end</span></code></b> (input_control)  </span><span>line.end.y(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">MaybeSequence[Union[int, float]]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real / </span><span data-if="hdevelop" style="display:inline">integer)</span><span data-if="dotnet" style="display:none"> (<i>double</i> / </span><span data-if="dotnet" style="display:none">int / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>double</i> / </span><span data-if="cpp" style="display:none">Hlong)</span><span data-if="c" style="display:none"> (<i>double</i> / </span><span data-if="c" style="display:none">Hlong)</span></span>
</div>
<p class="pardesc">Row coordinates of the ending points of the
input lines.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="ColEnd" class="parname"><b><code><span data-if="hdevelop" style="display:inline">ColEnd</span><span data-if="c" style="display:none">ColEnd</span><span data-if="cpp" style="display:none">ColEnd</span><span data-if="com" style="display:none">ColEnd</span><span data-if="dotnet" style="display:none">colEnd</span><span data-if="python" style="display:none">col_end</span></code></b> (input_control)  </span><span>line.end.x(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">MaybeSequence[Union[int, float]]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real / </span><span data-if="hdevelop" style="display:inline">integer)</span><span data-if="dotnet" style="display:none"> (<i>double</i> / </span><span data-if="dotnet" style="display:none">int / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>double</i> / </span><span data-if="cpp" style="display:none">Hlong)</span><span data-if="c" style="display:none"> (<i>double</i> / </span><span data-if="c" style="display:none">Hlong)</span></span>
</div>
<p class="pardesc">Column coordinates  of the ending points of the
input lines.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="RowCenter" class="parname"><b><code><span data-if="hdevelop" style="display:inline">RowCenter</span><span data-if="c" style="display:none">RowCenter</span><span data-if="cpp" style="display:none">RowCenter</span><span data-if="com" style="display:none">RowCenter</span><span data-if="dotnet" style="display:none">rowCenter</span><span data-if="python" style="display:none">row_center</span></code></b> (output_control)  </span><span>point.y(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">Sequence[float]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real)</span><span data-if="dotnet" style="display:none"> (<i>double</i>)</span><span data-if="cpp" style="display:none"> (<i>double</i>)</span><span data-if="c" style="display:none"> (<i>double</i>)</span></span>
</div>
<p class="pardesc">Row coordinates of the centers of gravity of the
input lines.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="ColCenter" class="parname"><b><code><span data-if="hdevelop" style="display:inline">ColCenter</span><span data-if="c" style="display:none">ColCenter</span><span data-if="cpp" style="display:none">ColCenter</span><span data-if="com" style="display:none">ColCenter</span><span data-if="dotnet" style="display:none">colCenter</span><span data-if="python" style="display:none">col_center</span></code></b> (output_control)  </span><span>point.x(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">Sequence[float]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real)</span><span data-if="dotnet" style="display:none"> (<i>double</i>)</span><span data-if="cpp" style="display:none"> (<i>double</i>)</span><span data-if="c" style="display:none"> (<i>double</i>)</span></span>
</div>
<p class="pardesc">Column coordinates of the centers of gravity of the
input lines.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Length" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Length</span><span data-if="c" style="display:none">Length</span><span data-if="cpp" style="display:none">Length</span><span data-if="com" style="display:none">Length</span><span data-if="dotnet" style="display:none">length</span><span data-if="python" style="display:none">length</span></code></b> (output_control)  </span><span>real(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">Sequence[float]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real)</span><span data-if="dotnet" style="display:none"> (<i>double</i>)</span><span data-if="cpp" style="display:none"> (<i>double</i>)</span><span data-if="c" style="display:none"> (<i>double</i>)</span></span>
</div>
<p class="pardesc">Euclidean length of the input lines.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Phi" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Phi</span><span data-if="c" style="display:none">Phi</span><span data-if="cpp" style="display:none">Phi</span><span data-if="com" style="display:none">Phi</span><span data-if="dotnet" style="display:none">phi</span><span data-if="python" style="display:none">phi</span></code></b> (output_control)  </span><span>angle.rad(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">Sequence[float]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real)</span><span data-if="dotnet" style="display:none"> (<i>double</i>)</span><span data-if="cpp" style="display:none"> (<i>double</i>)</span><span data-if="c" style="display:none"> (<i>double</i>)</span></span>
</div>
<p class="pardesc">Orientation of the input lines.</p>
</div>
<h2 id="sec_result">结果</h2>
<p><code><span data-if="hdevelop" style="display:inline">line_position</span><span data-if="c" style="display:none">line_position</span><span data-if="cpp" style="display:none">LinePosition</span><span data-if="com" style="display:none">LinePosition</span><span data-if="dotnet" style="display:none">LinePosition</span><span data-if="python" style="display:none">line_position</span></code> always 返回值 <TT>2</TT> (
      <TT>H_MSG_TRUE</TT>)
    .</p>
<h2 id="sec_predecessors">可能的前置算子</h2>
<p>
<code><a href="sobel_amp.html"><span data-if="hdevelop" style="display:inline">sobel_amp</span><span data-if="c" style="display:none">sobel_amp</span><span data-if="cpp" style="display:none">SobelAmp</span><span data-if="com" style="display:none">SobelAmp</span><span data-if="dotnet" style="display:none">SobelAmp</span><span data-if="python" style="display:none">sobel_amp</span></a></code>, 
<code><a href="edges_image.html"><span data-if="hdevelop" style="display:inline">edges_image</span><span data-if="c" style="display:none">edges_image</span><span data-if="cpp" style="display:none">EdgesImage</span><span data-if="com" style="display:none">EdgesImage</span><span data-if="dotnet" style="display:none">EdgesImage</span><span data-if="python" style="display:none">edges_image</span></a></code>, 
<code><a href="threshold.html"><span data-if="hdevelop" style="display:inline">threshold</span><span data-if="c" style="display:none">threshold</span><span data-if="cpp" style="display:none">Threshold</span><span data-if="com" style="display:none">Threshold</span><span data-if="dotnet" style="display:none">Threshold</span><span data-if="python" style="display:none">threshold</span></a></code>, 
<code><a href="hysteresis_threshold.html"><span data-if="hdevelop" style="display:inline">hysteresis_threshold</span><span data-if="c" style="display:none">hysteresis_threshold</span><span data-if="cpp" style="display:none">HysteresisThreshold</span><span data-if="com" style="display:none">HysteresisThreshold</span><span data-if="dotnet" style="display:none">HysteresisThreshold</span><span data-if="python" style="display:none">hysteresis_threshold</span></a></code>, 
<code><a href="split_skeleton_region.html"><span data-if="hdevelop" style="display:inline">split_skeleton_region</span><span data-if="c" style="display:none">split_skeleton_region</span><span data-if="cpp" style="display:none">SplitSkeletonRegion</span><span data-if="com" style="display:none">SplitSkeletonRegion</span><span data-if="dotnet" style="display:none">SplitSkeletonRegion</span><span data-if="python" style="display:none">split_skeleton_region</span></a></code>, 
<code><a href="split_skeleton_lines.html"><span data-if="hdevelop" style="display:inline">split_skeleton_lines</span><span data-if="c" style="display:none">split_skeleton_lines</span><span data-if="cpp" style="display:none">SplitSkeletonLines</span><span data-if="com" style="display:none">SplitSkeletonLines</span><span data-if="dotnet" style="display:none">SplitSkeletonLines</span><span data-if="python" style="display:none">split_skeleton_lines</span></a></code>
</p>
<h2 id="sec_successors">可能的后置算子</h2>
<p>
<code><a href="set_line_width.html"><span data-if="hdevelop" style="display:inline">set_line_width</span><span data-if="c" style="display:none">set_line_width</span><span data-if="cpp" style="display:none">SetLineWidth</span><span data-if="com" style="display:none">SetLineWidth</span><span data-if="dotnet" style="display:none">SetLineWidth</span><span data-if="python" style="display:none">set_line_width</span></a></code>, 
<code><a href="disp_line.html"><span data-if="hdevelop" style="display:inline">disp_line</span><span data-if="c" style="display:none">disp_line</span><span data-if="cpp" style="display:none">DispLine</span><span data-if="com" style="display:none">DispLine</span><span data-if="dotnet" style="display:none">DispLine</span><span data-if="python" style="display:none">disp_line</span></a></code>
</p>
<h2 id="sec_alternatives">可替代算子</h2>
<p>
<code><a href="line_orientation.html"><span data-if="hdevelop" style="display:inline">line_orientation</span><span data-if="c" style="display:none">line_orientation</span><span data-if="cpp" style="display:none">LineOrientation</span><span data-if="com" style="display:none">LineOrientation</span><span data-if="dotnet" style="display:none">LineOrientation</span><span data-if="python" style="display:none">line_orientation</span></a></code>
</p>
<h2 id="sec_see">参考其它</h2>
<p>
<code><a href="line_orientation.html"><span data-if="hdevelop" style="display:inline">line_orientation</span><span data-if="c" style="display:none">line_orientation</span><span data-if="cpp" style="display:none">LineOrientation</span><span data-if="com" style="display:none">LineOrientation</span><span data-if="dotnet" style="display:none">LineOrientation</span><span data-if="python" style="display:none">line_orientation</span></a></code>, 
<code><a href="detect_edge_segments.html"><span data-if="hdevelop" style="display:inline">detect_edge_segments</span><span data-if="c" style="display:none">detect_edge_segments</span><span data-if="cpp" style="display:none">DetectEdgeSegments</span><span data-if="com" style="display:none">DetectEdgeSegments</span><span data-if="dotnet" style="display:none">DetectEdgeSegments</span><span data-if="python" style="display:none">detect_edge_segments</span></a></code>
</p>
<h2 id="sec_module">模块</h2>
<p>
Foundation</p>
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